Fabric-laying attachment for tire-making machines



NITED sT-Ariis PATENT OFFICE.

JHN E. THROPP, OF TRENTON, NEW JERSEY, ASISIGNOR T THE DE LASKI A N D THROPP TRENTON, NEW JERSEY, A CORPORATION 0F CRQULAR-WOVEN TIRE COMPANY, 0F NEW JERSEY. 'I v FABRIC-LAYING ATTACHMENT 'FOR TIRE-MAKING MACHNES'.

Speciicati'on of Letters Patent.

Application led August 9, 1917. Serial No. 185,381.

To all whom it may concern:

Be it known that I, JoiiN E..Tiiko1 i a 'eitizenof the United States, and resident of Trenton, in the county of Mercer and State of New Jersey, have invented anew and useful Improvement in Fabric-Laying Attachments for Tire-Making Machi .es, of which the following is a specification.

This invention relates to an improvement in fabric laying attachments for tire .inaking machines, with the object in view of pro viding a device of this'character which is exceedingly simple in construction and easy to operate.

Another object is to provide such a device which may be used in connection with any kind ofl a tire making machine having a` rotating core. u v

A further object consists in providing zosuch a device which is adapted for laying down the plies of fabric on every part of the exterior surface of the core, aid for laying down the plies of fabric both under and over the bead core. l A still further object consists in provid- Aing certain improvements in the form, construction' and arrangement of the parts whereby the above-mentioned and other advantages may be effectively attained.

A practical embodiment of my invention is represented in the accompanying drawings, in which- Figure 1 represents a detail top plan view, partly broken away, showing the device in conjunction Vwith part of a tire makin machine,

Fig. 2 represents a side elevation of the parts shown in Fig.` 1. Fig. 3 represents an elevation taken at right angles to Fig. 2.

Fig. 4 represents an enlarged detail secv`tion through the ball and socket mounting 1 for the supporting arni,and

Fig. 5 represents a similar view taken at.

right angles to Fig. 4.

The reference numeral 1 denotes the easing of a tire making machine, such, for in stance, as that disclosed in United States Letters Patent to John E. Thropp, Peter D.

Th1-opp and lAlbert de Laski, N o.'1,119,326,

dated December 1, 1914, andfentitled Machine formaking or building up pneumatic tires- A spindle 2 protrudes from the casing 1 and carries a spider 3 for mounting a core 4, all as set forth in the said'patent. It will be understood that suitable means (not shown) is provided for rotating the core 4,at desired speeds, and that suitable means is also provided for applying the tire fabric to the periphery of the core 4 and for placing the beads of the tire in position.

The fabric laying attachment which forms the subject matter 'of this invention coinpi'ises a supporting arin 5, the lower end of which carries a ball 6 which is fitted to rest in a concave block 7 and be embraced byv a sleeve 8, which latter also surrounds the block 7. The Asleeve 8 is provided with lateral grooves for the reception of gibs 9 that are secured by cap screws 10 to a Hoor plate or guide l1. By this arrangement, the sleeve 8 and the block 7, and hence the ball (5 of the arm 5, are adapted for sliding adjustment in the plate or guide 11. A,set screw 12 may be operated to secure the' parts in any desired position throughout the length of the guide 11.

It is intended that the floor plate or guide rl1 shall be secured to the Hoor or other foundation upon which the tiremaking inachine igests, so as to lie in the plane of the coi'e 4, as clearly shown in Figs. 1 and 3, and to this end lag screws 18, or other suitable attaching devices, iiiay 'be utilized.

The arm 5 is preferably composed of a -nietallic tube, and its upper end is embraced by a head piece 14 which is bifurcated for' A-rearwardly projecting handle 17 andV laterally projecting knobs or handles 18, 19,

ai'eitted to the head piece 14.

It will be observed that the arm 5 is bent so that, even -though its lower end is mounted ,in the central plane of the core 4 and its yupper end projects sufficiently high so that the formin'br roll 15 is substantially on a level with tie axis ofthe core constituted by the spindle 2, nevertheless, the device may be manipulated so as to bring the operating edge f the -forrhing roll ,into engage- ,ment' with all pai-ts of the exterior surface 0f the core without any danger of the arm Patented Nov. 11, 1919..

ioo

theside -ot' 'thet'abric yupon Awhich it is op-` eratingsmoothly 'againstflthe corel and in conformity thereivitlu After this hasbeen aceon'iplislied upon one side ot the core, the operation)nay'he repeated upon thc oppo- In operation, after oneor more strips of i l y)een suitably stretched npon the fab r1.6. ,11 -1 periphei ot the core 4,111' a Well known and suitable, manner, the operator may seize the fabric foriningdeviee byitlie'haln- (lle 17 and either knob 18 or 1,9, and force the forniinglroltl intoengageinent with the fabi'i'c, (lui-ing the rotation `ot the core. As will be'well understood by la Workman skilled inl this industrthe roll will first' be applied to tliatpartp of Ifabric'which is" adj'acc'iitj, the tread, andy gradually Worked inward,4 raglially"acrossf the surface of the core,"11'nti1 it'reachos the innermost parti* As tli'elcore `tiprotating during this opera'- tion, the effec, of" the tool will `be to lay It n 1l "be `noted that tlie iarrangenient and inc itact Withthe beads. Y t. Y

The ac'ljnstment in the plate .or guide A11 enables the arm 5to 'be'suitably` secured for operatioi'r iipon "coresfo't various dian'ieters,` and I ha rn'fided two knobs 18-and 19 so that th'e device 'willbe equally convenient.

to a ri t'lliaindeil 'o1-a lefthanded openl ator."f

It'willfbe understood tl1atyai'ious changes l niay ifesortcdtoin the form, construct1on andarrangement'ofthe several parts without departing` troni the sp1r1t and scope of in invention" and hence I (lo not intend y to be lin'iited to the. details herein shown and described"except as they may he specificallyincludegl in theclaiins. i

I/Vhatfl elaimfisrfg` j f l 1. Ai'abric laying attachment for a tire making machine having ,a rotary core-c0111- prisinggjv :in lupright movable arm, a fabricl layingftool: carried thereby, Vsupportlng g means forone end ofsaid arm, thesald end of y he arin being eonnectedftotie supporting'mea bya universal joint, and means and this n'iay be` continued until ak right angle, and sol.

for grasping the arin to bring theI tool into engagement with the core.

p' supporting means'by a universal joint, and

inea-ns for, grasping. the arm to bring the tool into engagement with the core. 3i A fabric laying attachment for a tire 'a inakingniachine `having a rotary core comprising an `upright movable arm, a fabric laying tool carried thereby, a support for one end., of the arm in the centralpla'ne of -75 the core, the arnr being connected to the ysupport by a' universal joint, andmeans rfor grasping the arn to bring the tool into en- I gagement with the-core.

4. A fabric laying attachment for a tire making machine having Aa rotary core comprisingan upright movable arm,a fabric laying tool carried thereby, a support for4 one end of the arin' in the central lane of the core, the arm being connecte to the, 85 e support by a universal-joint, said "supportr beingadjustable in the plane of thecore,`4 I .and means forgrasping the arm to bring the tool into engagement with the core;

5. A fabric laying attachment for aftire making machine having a rotary core Colnprising an hpright movable arn1,a fabric laying 'tool cari'ied'thereoy, a support for one end of the arm belowthe core and in r the. central plane tl1 ereof, vtlie arm beine* 96 connected to the support by a univer-stil joint, the said arm being of such length as f i to support the tool substantially at the height of the axis of rotation ofthe core, and .means for grasping the\\arm to bring loo the tool into engagement with the core. i G. A fabric laying attachnientfor a tire i iniaking'machine.having a rotary core coni- I i Q l prising a upright movable arm, ya'ir'abric; laying tool carried thereby, al support forios one end of the arm below the core and in 'themV central-plane thereof, the arm" 'being con-fy nected to the support by a universal joint, `r the said arin being of such length asftosupir port the tool substantially at the height-of 1 10 the axis-of rotation of the core,'said support heilig adjustable inthe plane of the core, and ineans for grasping the arm to bring the tool into engagementwith the core. .I testimony that I claim the foregoing as '1-15 my invention4v I have signed my naine this 31st day of 111%51917. i v -1 y JOHN EJTHROPP. 

